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人类对林本病虫害的防治方法基本可归结为两大类,即化学防治和生物防治。几个世纪以来,化学农药对人类的贡献功不可没,然而,随着人们环保和安全意识的日益增强,化学农药的危害逐渐被人们所认识。既要防治病虫害,又要维护生态安全,这之间存在着无法调和的矛盾。正因为如此,生物防治越来越受到人们的青睐。在北京,生物防治的方法已经在林木病虫害防治工作中扮演“主角”——
Human prevention and treatment of forest diseases and pests can be basically divided into two categories, namely, chemical control and biological control. Over the centuries, the contribution of chemical pesticides to human beings has contributed. However, with the increasing awareness of environmental protection and safety, the dangers of chemical pesticides have gradually been recognized. It is necessary to prevent pests and diseases as well as to maintain ecological security. There is an irreconcilable contradiction between them. Because of this, biological control is getting more and more people’s favor. In Beijing, the biological control methods have played a leading role in the prevention and control of forest pests and diseases -